Pressure Cap; Radiator; Thermostat - BOMBARDIER Traxter 7400 Shop Manual

When engine has completely cooled down, re-
check coolant level in radiator no. 1 and coolant
tank no. 9 and top up if necessary.
Check coolant concentration (freezing point) with
proper tester.

PRESSURE CAP

Check if cap pressurizes the system. If not, install
a new 90 kPa (13 PSI) cap (do not exceed this pres-
sure).

RADIATOR

Removal
Drain cooling system.
Remove rear fender. Refer to BODY 10-02.
Remove inlet no. 6 and outlet no. 7 hoses.
1. Radiator inlet hose
2. Radiator outlet hose
Remove overflow hose no. 8.
Remove mounting bolts no. 10 on the top.
Unplug temperature sender no. 3.
Inspection
Check radiator air passage for clogging or damage.
Remove insects, mud or other obstructions with
compressed air or low pressure water.
Check for any coolant leakage from radiator and
hoses.
VMR9933_03_03.FM
Installation
For installation, reverse the removal procedure.
Paying attention to the following detail.
Install hose pincher on coolant hose at thermostat
outlet. Unscrew bleeder on top of thermostat
housing.
Refill radiator and when coolant overflows by the
thermostat cover hole, reinstall the screw.

THERMOSTAT

The thermostat is a single action type.
Removal
The thermostat is located on the top of engine.
Remove screws and pull thermostat cover with
hose.
1. Remove screws
Remove gasket.
Test
To check thermostat, put in water and heat water.
Thermostat should open when water temperature
reaches 75°C (167°F).
Installation
For installation, reverse the removal procedure,
paying attention to the following details.
Install thermostat with a new gasket.
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Section 03 ENGINE
Subsection 03 (COOLING SYSTEM)
03-03-3